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Geographic areas and major customers (Sales to Single Customers Exceeding 10% of Sales) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue, Major Customer [Line Items]
Sales	$ 124,131	$ 150,582	$ 128,460
Customer A [Member]
Revenue, Major Customer [Line Items]
Sales	26,808	3,733	3,439
Customer B [Member]
Revenue, Major Customer [Line Items]
Sales	$ 11,018	$ 22,926	$ 19,184

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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